Finding the Fourth Proportional to 72.82, 108.73 and 69.76

Step by Step Solution

1. Step 1: Write the proportion equation
   72.82 : 108.73 = 69.76 : x
2. Step 2: Convert to fraction form
   72.82/108.73 = 69.76/x
3. Step 3: Cross multiply
   72.82x = 108.73 × 69.76
4. Step 4: Simplify right side
   72.82x = 7,585.00
5. Step 5: Solve for x
   x = 7,585.00/72.82
6. Step 6: Final answer
   x = 104.16